Key Info

OpenRouter reports that open-weight models processed 72% of tokens across its platform last week, and have held more than 50% of token share since mid-April, though the majority of customer spend remains on closed-weight models.

Highlights

  • Open-weight models accounted for 72% of tokens processed on OpenRouter last week.
  • Open-weight models have exceeded 50% of platform tokens since mid-April.
  • Despite the token majority, most customer spending still goes to closed-weight models.
  • The underlying data is now available on OpenRouter's rankings page.